
PCS-PMA Width
8-Bit 10-Bit 16-Bit 20-Bit
PRBS-10
X
PRBS 15
X X X X
PRBS 23
X X X
PRBS 31
X X X X
Unlike the 10G PRBS verifier, the Standard PRBS verifier uses the Standard PCS word aligner. You must
specify the word aligner size and pattern. The following table lists the encodings for the available choices.
Table 12-21: Word Aligner Size and Word Aligner Pattern
PCS-PMA Width PRBS Patterns PRBS Pattern Select Word Aligner Size Word Aligner Pattern
8-bit
PRBS 7 3’b010 3’b001 0x0000003040
PRBS 8 3’b000 3’b001 0x000000FF5A
PRBS 23 3’b100 3’b001 0x0000003040
PRBS 15 3’b101 3’b001 0x0000007FFF
PRBS 31 3’b110 3’b001 0x000000FFFF
10-bit
PRBS 10 3’b000 3’b010 0x00000003FF
PRBS 15 3’b101 3’b000 0x0000000000
PRBS 31 3’b110 3’b010 0x00000003FF
16-bit
PRBS 7 3’b000 3’b010 0x0000003040
PRBS 23 3’b001 3’b101 0x00007FFFFF
PRBS 15 3’b101 3’b011 0x0000007FFF
PRBS 31 3’b110 3’b011 0x000000FFFF
12-26
Standard PCS Pattern Generators
UG-01080
2015.01.19
Altera Corporation
Stratix V Transceiver Native PHY IP Core
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